CN218595955U - Cab for bridge-gate crane - Google Patents
Cab for bridge-gate crane Download PDFInfo
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- CN218595955U CN218595955U CN202320171981.0U CN202320171981U CN218595955U CN 218595955 U CN218595955 U CN 218595955U CN 202320171981 U CN202320171981 U CN 202320171981U CN 218595955 U CN218595955 U CN 218595955U
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- cab
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- main beam
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- flange
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Abstract
The utility model relates to the technical field of cranes and discloses a cab for a gantry crane, which comprises a main beam, a cab and a locking structure, wherein the cab is positioned below the main beam and fixedly connected with the main beam through a flange structure; the locking structure comprises a locking column which is vertically arranged and simultaneously penetrates through the main beam and the cab top plate, at least two strip-shaped lower locking rods are circumferentially arranged at the lower part of the locking column, and the lower locking rods are positioned in the cab; the bottom surface is seted up to the upper portion level of locking post and is planar spacing groove, and long banding upper locking lever passes the spacing groove, and the both ends of upper locking lever all are in the outside of spacing groove. The utility model discloses a set up locking structure with the girder upper surface in the driver's cabin, make driver's cab and girder fixed inseparabler, reduce the relative motion tendency of hoist during operation driver's cab and girder, and then reduce the driver's cab and rock the influence to ring flange locking bolt, improved the security of driver's cab.
Description
Technical Field
The utility model relates to a hoist technical field, concretely relates to driver's cabin for gantry crane.
Background
The cranes are generally classified into four types, namely light and small hoisting equipment, bridge cranes, gantry cranes and tower cranes, wherein the bridge gantry crane is a large and medium-sized hoisting machine with the widest application range and the largest quantity; the cab of the crane is an important part for ensuring safe operation of a driver in the transportation machinery, the cab of the gantry crane is generally suspended and fixed below the main beam, the crane can shake during operation, and the safety of the cab of the existing crane is insufficient.
As in the prior art, the patent of the Chinese utility model, the patent number is: ZL202122455001.3, name: a bridge crane equipped with a multifunctional cab is disclosed, the specification of which states that' the connecting position between the cab and a main beam can be rigidly connected by arranging a connecting column, a first flange plate, a second flange plate and a locking bolt, and anti-drop plates are arranged on two sides of each second flange plate, when the connecting position between the cab and the main beam is loosened in the long-time running process of the bridge crane, the anti-drop plates can prevent the cab from dropping, so that the potential safety hazard of dropping the cab is reduced, the top of each anti-drop plate is fixedly connected with the lower surface of the main beam, so that the connection between the anti-drop plates and the main beam can swing along with the running of the crane, and the design of the anti-drop plates is approximately equivalent to adding a flange connecting structure, and the effect of protecting the cab is not good; in addition, the bottom bending part of the anti-falling plate is spaced from the bottom surface of the second flange plate at a certain distance, the anti-falling plate cannot reduce the influence of relative motion of the cab and the girder on the locking bolts of the flange plates, and when the connecting position between the cab and the girder is not flexible, the cab violently falls to drive the second flange plate to impact the bottom bending part of the anti-falling plate too much instantly, so that the anti-falling plate can be damaged and then continuously falls, and the potential safety hazard is large.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at: overcome the not enough of existence among the prior art, provide a cab for door-bridge crane, through set up locking structure in the cab and girder upper surface, make cab and girder fixed inseparabler, reduce the relative motion tendency of crane during operation cab and girder, and then reduce the cab and rock the influence to ring flange locking bolt, improved the security of cab.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a cab for a bridge-gate crane comprises a main beam, a cab and a locking structure, wherein the cab is positioned below the main beam and fixedly connected with the main beam through a flange structure; the locking structure comprises a locking column which is vertically arranged and simultaneously penetrates through the main beam and the cab top plate, at least two strip-shaped lower locking rods are circumferentially arranged at the lower part of the locking column, and the lower locking rods are positioned in the cab; the bottom surface is seted up to the upper portion level of locking post and is planar spacing groove, and the bottom surface of spacing groove flushes with the upper surface of the girder around the locking post, and rectangular form superior locking lever passes the spacing groove, and the both ends of superior locking lever all are in the outside of spacing groove.
Furthermore, the lower locking rod and the upper locking rod are both rectangular, the upper surface of the lower locking rod is tightly attached to the inner wall of the top plate of the cab, and the bottom surface of the upper locking rod is tightly attached to the bottom surface of the limiting groove and the upper surface of the main beam.
Furthermore, there are two lower locking rods, and the two lower locking rods are located on the same straight line.
Further, when the number of the lower locking rods is larger than two, the lower locking rods are arranged at equal intervals along the circumferential direction of the locking column, and the area of a circle with the length of the lower locking rod as the radius is larger than one third of the area of the lower surface of the top plate of the cab.
Furthermore, a cavity is formed in the locking column, is positioned above the limiting groove and is communicated with the limiting groove; the top fixedly connected with powerful spring of cavity, the bottom of powerful spring is provided with the clamp plate that sticiss at the upper surface of upper locking lever, and the lower surface of clamp plate is the cambered surface structure of both ends upwarp, and the both ends that upwarp correspond with the both ends position of spacing groove respectively.
Furthermore, after the upper locking rod passes through the limiting groove, the strong spring is in a compressed state.
Furthermore, the flange structure comprises a first flange plate fixedly connected with the lower surface of the main beam, the first flange plate is fixedly connected with a second flange plate through a locking bolt, the middle part of the second flange plate is fixedly connected with the top of the connecting column, and the bottom of the connecting column is fixedly connected with the top of the cab; the number of the flange structures is four, and the flange structures are distributed at four corners above the cab.
Further, a side of the cab is provided with a cab door, the inside fixed mounting of the cab has an operation table, the inside of the cab is close to the operation table and is provided with a seat, the bottom of the seat is provided with four seat supporting legs, the position bolt connection of the inside bottom surface of the cab corresponding to the four seat supporting legs is provided with four fixing cylinders, and the four seat supporting legs are respectively inserted into the four fixing cylinders.
The utility model has the advantages that: the locking structure is formed by the locking columns, the lower locking rods, the limiting grooves and the upper locking rods, so that the cab and the girder are fixed more tightly, the relative motion tendency of the cab and the girder during the operation of the crane is reduced, the influence of the shaking of the cab on the flange locking bolts is further reduced, the cab can be further prevented from falling off, and the safety of the cab is improved; by arranging the cavity, the strong spring and the pressing plate, when the upper locking rod penetrates through the limiting groove and then is pressed by the strong spring, the rotation tendency is reduced, so that the cab has the rotation tendency, the fixing effect of the flange structure and the locking effect of the locking structure are further damaged, and the stability of the cab is improved; the fixed cylinder is arranged to fix the seat and prevent the seat from moving along with the operation of the crane.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the internal structure of the cab of the present invention;
FIG. 3 is a schematic view of the structure of the lower locking rod of the present invention;
fig. 4 is a schematic cross-sectional structural view of the locking post of the present invention;
FIG. 5 is a schematic view of the structure of the limiting groove of the present invention;
fig. 6 is a schematic view of the spring pressing structure of the present invention.
In the figure, 1, a main beam; 2. a driver's cab; 3. an operation table; 4. a seat; 5. a fixed cylinder; 6. a flange structure; 7. a first flange plate; 8. a second flange plate; 9. locking the bolt; 10. connecting columns; 11. a locking post; 12. a lower locking rod; 13. a limiting groove; 14. an upper locking rod; 15. a cavity; 16. a strong spring; 17. pressing the plate tightly; 18. driver's cabin door.
Detailed Description
The invention is further explained below with reference to the drawings and the embodiments.
The embodiment is as follows:
as shown in fig. 1-6, a cab for a bridge-gate crane comprises a main beam 1, a cab 2 located below the main beam 1 and fixedly connected with the main beam 1 through a flange structure 6, and a locking structure for connecting and locking the relative positions of the main beam 1 and the cab 2; the locking structure comprises a locking column 11 which is vertically arranged and simultaneously penetrates through the main beam 1 and a top plate of the cab 2, the locking column 11 penetrates into the cab 2 from the middle part thereof, at least two strip-shaped lower locking rods 12 are circumferentially arranged at the lower part of the locking column 11, and the lower locking rods 12 are positioned inside the cab 2; a limiting groove 13 with a plane bottom surface is horizontally formed in the upper portion of the locking column 11, the limiting groove 13 penetrates through the central portion of the locking column 11 on a plane parallel to the upper surface of the main beam 1, the bottom surface of the limiting groove 13 is flush with the upper surface of the main beam 1 around the locking column 11, the strip-shaped upper locking rod 14 penetrates through the limiting groove 13, and two ends of the upper locking rod 14 are located outside the limiting groove 13; form locking structure through setting up locking post 11, low locking lever 12, spacing groove 13 and upper locking lever 14, make cab 2 and girder 1 fixed inseparabler, reduce the relative motion tendency of crane during operation cab 2 and girder 1, and then reduce cab 2 and rock the influence to ring flange locking bolt, also can further prevent that the cab from dropping, improved the security of cab.
The lower locking rod 12 and the upper locking rod 14 are both rectangular, the upper surface of the lower locking rod 12 is tightly attached to the inner wall of the top plate of the cab 2, the bottom surface of the upper locking rod 14 is tightly attached to the bottom surface of the limiting groove 13 and the upper surface of the main beam 1 around the locking column 11, the lower locking rod 12 is tightly attached to the top plate of the cab 2, the upper locking rod 14 is tightly attached to the upper surface of the main beam 1, the locking capacity of the locking structure is enhanced, and the cab 2 and the main beam 1 are relatively fixed.
When the number of the lower locking rods 12 is larger than two, the lower locking rods 12 are arranged at equal intervals along the circumferential direction of the locking column 11, the lower locking rods 12 are symmetrically arranged at two sides of the locking column 11 so as to enable the top plate of the cab 2 to be stressed uniformly, the area of a circle with the length of the lower locking rod 12 as the radius is larger than one third and smaller than two thirds of the area of the lower surface of the top plate of the cab 2, and therefore the cab 2 is fixed better, the whole stress of the cab 2 is enabled to be more uniform, the phenomenon that the top plate of the cab 2 is stressed and concentrated on a small piece around the locking column 11 is avoided, and the stability of the cab 2 is facilitated.
A cavity 15 is formed in the locking column 11, and the cavity 15 is positioned above the limiting groove 13 and communicated with the limiting groove 13; the top fixedly connected with powerful spring 16 of cavity 15, the bottom of powerful spring 16 is provided with the pressure plate 17 that sticiss at the upper surface of upper lock pole 14, and the lower surface of pressure plate 17 is the cambered surface structure of both ends upwarp, and the both ends of upwarp correspond with the both ends position of spacing groove 13 respectively, and it is more convenient when inserting spacing groove 13 for upper lock pole 14 to set up like this, inserts from the one end of perk.
After the upper locking rod 14 passes through the limiting groove 13, the strong spring 16 is in a compressed state, and the strong spring 16 and the pressing plate 17 are arranged to ensure that after the installation of the locking structure is completed, when the crane works, the strong spring 16 drives the pressing plate 17 to forcibly press the upper locking rod 14, so that the upper locking rod 14 is prevented from generating a horizontal rotating tendency when the main beam 1 shakes, the cab 2 is further enabled to have a rotating tendency, and the fixing effect of the flange structure 6 and the locking effect of the locking structure are further damaged; instead of providing the cavity 15, the strong spring 16 and the pressing plate 17, two sides clamped at one end or two ends of the upper locking rod 14 may be fixed on the upper surface of the main beam 1, so as to limit the rotation tendency of the upper locking rod 14.
The flange structure comprises a first flange plate 7 fixedly connected with the lower surface of the main beam 1, the first flange plate 7 is fixedly connected with a second flange plate 8 through a locking bolt 9, the middle part of the second flange plate 8 is fixedly connected with the top of a connecting column 10, and the bottom of the connecting column 10 is fixedly connected with the top of the cab 2; four flange structures are distributed at four corners above the cab 2; the flange structure is similar to the flange structure in the patent No. ZL202122455001.3 in the background art.
One side of cab 2 is provided with cab door 18, the inside fixed mounting of cab 2 has operation panel 3, the inside of cab 2 is close to operation panel 3 and is provided with seat 4, there are four seat landing legs seat 4 bottom, the position bolted connection that the inside bottom surface of cab 2 corresponds four seat landing legs has four fixed cylinders 5, four seat landing legs insert inside four fixed cylinders 5 respectively, set up fixed cylinder 5 and be for fixed seat 4, prevent it and remove along with hoist work, need to maintain or change the position of internal plant when the inside of cab, directly lift up seat 4 or take off and be used for fixing a position the bolt of fixed cylinder 5 can, if adopt the swivel chair that takes the pulley to remove again and can brake, although can brake, this is to unmovable space, it is more convenient, when cab 2 rocks along with girder 1, even the pulley is lived very easy whole and is removed in cab 2.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for limiting the same, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a cab for bridge door formula hoist which characterized in that: the cab locking device comprises a main beam (1), a cab (2) and a locking structure, wherein the cab (2) is positioned below the main beam (1) and is fixedly connected with the main beam (1) through a flange structure (6); the locking structure comprises a locking column (11) which is vertically arranged and simultaneously penetrates through a main beam (1) and a top plate of a cab (2), at least two strip-shaped lower locking rods (12) are circumferentially arranged at the lower part of the locking column (11), and the lower locking rods (12) are positioned in the cab (2); the bottom surface has been seted up to the upper portion level of locking post (11) and has been served as planar spacing groove (13), and the bottom surface of spacing groove (13) flushes with the upper surface of girder (1) around locking post (11), and spacing groove (13) are passed in rectangular form upper locking lever (14), and the both ends of upper locking lever (14) all are in the outside of spacing groove (13).
2. The cab for the bridge-gate crane according to claim 1, wherein: the lower locking rod (12) and the upper locking rod (14) are both cuboid, the upper surface of the lower locking rod (12) is tightly attached to the inner wall of the top plate of the cab (2), and the bottom surface of the upper locking rod (14) is tightly attached to the bottom surface of the limiting groove (13) and the upper surface of the main beam (1).
3. The cab for the bridge-gate crane according to claim 2, wherein: the number of the lower locking rods (12) is two, and the two lower locking rods (12) are located on the same straight line.
4. The cab for the bridge-gate crane according to claim 2, wherein: when the number of the lower locking rods (12) is more than two, the lower locking rods (12) are arranged at equal intervals along the circumferential direction of the locking column (11), and the area of a circle taking the length of the lower locking rods (12) as a radius is more than one third of the area of the lower surface of the top plate of the cab (2).
5. The cab for the bridge gate crane according to claim 3 or 4, wherein: a cavity (15) is formed in the locking column (11), and the cavity (15) is positioned above the limiting groove (13) and communicated with the limiting groove (13); the top fixedly connected with powerful spring (16) of cavity (15), the bottom of powerful spring (16) is provided with sticiss in sticising the clamp plate (17) of the upper surface of last locking lever (14), and the lower surface of clamp plate (17) is the cambered surface structure of both ends upwarping, and the both ends of upwarping correspond with the both ends position of spacing groove (13) respectively.
6. The cab for the bridge-gate crane according to claim 5, wherein: after the upper locking rod (14) passes through the limiting groove (13), the strong spring (16) is in a compressed state.
7. The cab for the bridge-gate crane according to claim 6, wherein: the flange structure comprises a first flange plate (7) fixedly connected with the lower surface of the main beam (1), the first flange plate (7) is fixedly connected with a second flange plate (8) through a locking bolt (9), the middle part of the second flange plate (8) is fixedly connected with the top of a connecting column (10), and the bottom of the connecting column (10) is fixedly connected with the top of the cab (2); the number of the flange structures is four, and the flange structures are distributed at four corners above the cab (2).
8. The cab for the bridge-gate crane according to claim 7, wherein: one side of cab (2) is provided with cab door (18), and the inside fixed mounting of cab (2) has operation panel (3), and the inside of cab (2) is close to operation panel (3) and is provided with seat (4), and there are four seat landing legs seat (4) bottom, and the position bolted connection that the inside bottom surface of cab (2) corresponds four seat landing legs has four solid fixed cylinder (5), and four seat landing legs insert four solid fixed cylinder (5) respectively inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320171981.0U CN218595955U (en) | 2023-02-10 | 2023-02-10 | Cab for bridge-gate crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320171981.0U CN218595955U (en) | 2023-02-10 | 2023-02-10 | Cab for bridge-gate crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218595955U true CN218595955U (en) | 2023-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320171981.0U Active CN218595955U (en) | 2023-02-10 | 2023-02-10 | Cab for bridge-gate crane |
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| Country | Link |
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| CN (1) | CN218595955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117657973A (en) * | 2023-12-13 | 2024-03-08 | 武汉中飞扬测控工程有限公司 | Bridge crane special for foundry of steel mill and application method thereof |
-
2023
- 2023-02-10 CN CN202320171981.0U patent/CN218595955U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117657973A (en) * | 2023-12-13 | 2024-03-08 | 武汉中飞扬测控工程有限公司 | Bridge crane special for foundry of steel mill and application method thereof |
| CN117657973B (en) * | 2023-12-13 | 2024-07-19 | 成都冶金实验厂有限公司 | Bridge crane special for foundry of steel mill and application method thereof |
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